The name "tai chi ch'uan" in english means "supreme ultimate fist", Tai Chi has a long history of development, which can be traced back to the 17th century. Both Taoist and Buddhist monasteries has had big influence on Tai Chi. T'ai chi ch'uans theory and practice evolved in agreement with many Chinese philosophical principles, including those of Taoism and Confucianism. During hundreds of years of evolution and development, Tai Chi now has 5 major styles. Each style of Tai Chi has some difference regarding speed, power and movements. Tai Chi is not only good for self defense, practicing Tai Chi also has benefits such as as stress reduction.
Wu- or Wu (Hao)-style (武氏) of Wu Yu-hsiang (1812–1880)
Wu-style (吳氏) of Wu Ch'uan-yu (1834–1902) and his son
Wu Chien-ch'uan (1870–1942)
Sun-style (孫氏) of Sun Lu-t'ang (1861–1932)
Master Zhang and Master Yu are both high skilled in Tai chi. They have deep knowledge and experience in teaching Tai Chi and no matter if they teach or not, still practices everyday for the health benefits.